Finding the Fourth Proportional to 4,175,917.61, 5,762,992.16 and 2,340,965.32
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Solution
The fourth proportional to 4,175,917.61, 5,762,992.16 and 2,340,965.32 is: 3,230,658.76
Step by Step Solution
- Step 1: Write the proportion equation
4,175,917.61 : 5,762,992.16 = 2,340,965.32 : x - Step 2: Convert to fraction form
4,175,917.61/5,762,992.16 = 2,340,965.32/x - Step 3: Cross multiply
4,175,917.61x = 5,762,992.16 × 2,340,965.32 - Step 4: Simplify right side
4,175,917.61x = 13,490,964,807,067.99 - Step 5: Solve for x
x = 13,490,964,807,067.99/4,175,917.61 - Step 6: Final answer
x = 3,230,658.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.